As blogged before by me, I found that credentials of my bank app, stored usernames even after you deleted the application from the phone..
Now there is Malware that you can get on your Android that will slurp off your login to your Mobile Banking App when you.. Well..login...
Don't worry.. It will hit the iPhone and others... In the future...
SC Magazine article - Zeus stealing banking passwords on Android phones
#InfoSec #HackerHurricane